I was recently given a copy of the Star Trek manual from the first convention. It is in fair to good condition. Does anyone know the value of this manual?

Are you talking about one of these types

The Star Trek Star Fleet Technical Manual - Wikipedia, the free encyclopedia

And good luck, I hot a Star Trek, The next Generation, 3D mouse mat and have had it for sale for 3 weeks and not even a offer. ** I buy and sell some items for eBay sales.

Depending which one it is, I see many manuals selling for 25 to 50 dollars. But often with items value and what someone will really pay is often two different things

Does your Star Trek manual look anything like those that you might find on the following image search and subsequent pages of that search? If so, which image, please?

Are you looking to sell it or just wanting to get a general idea as to the possible monetary value for it?